What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines is the most popular carrier operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$108 Cheap Flights from Medford to Ontario in 2025/26

Q: What is the typical price of a round-trip flight between Medford and Ontario?

Prices are currently low for flights on this route. Typical prices usually range from $320 to $431. The lowest price recently found on this route was $166.

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Cheap round-trip flights

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5:42 pm - 8:36 pm

MFR

ONT

26h 54m1 stop

11:53 am - 5:02 pm

ONT

MFR

5h 09m1 stop

$166Alaska Airlines

Mon, Jan 19 - Fri, Jan 30

6:05 am - 1:56 pm

MFR

ONT

7h 51m1 stop

7:30 am - 1:28 pm

ONT

MFR

5h 58m1 stop

$167Delta

Wed, Jan 14 - Sun, Jan 18

5:42 pm - 8:36 pm

MFR

ONT

26h 54m1 stop

4:03 pm - 12:43 pm

ONT

MFR

20h 40m1 stop

$196Alaska Airlines

Mon, Jan 19 - Fri, Jan 30

1:22 pm - 11:56 pm

MFR

ONT

10h 34m1 stop

6:00 am - 5:02 pm

ONT

MFR

11h 02m1 stop

$206Alaska Airlines

Thu, Feb 5 - Mon, Feb 9

3:45 pm - 8:10 pm

MFR

ONT

4h 25m1 stop

11:53 am - 5:02 pm

ONT

MFR

5h 09m1 stop

$214Alaska Airlines

Sat, Jan 17 - Sat, Jan 24

5:42 pm - 7:16 pm

MFR

ONT

25h 34m2 stops

6:00 am - 5:02 pm

ONT

MFR

11h 02m1 stop

$215Alaska Airlines

Mon, Jan 19 - Fri, Jan 30

12:39 pm - 5:03 pm

MFR

ONT

4h 24m1 stop

7:00 am - 11:57 am

ONT

MFR

4h 57m1 stop

$216Alaska Airlines

Tue, Jan 13 - Thu, Jan 15

5:42 pm - 8:36 pm

MFR

ONT

26h 54m1 stop

4:03 pm - 12:43 pm

ONT

MFR

20h 40m1 stop

$235Alaska Airlines

Mon, Jan 19 - Fri, Jan 30

12:39 pm - 5:03 pm

MFR

ONT

4h 24m1 stop

7:00 am - 11:57 am

ONT

MFR

4h 57m1 stop

$239Alaska Airlines

Thu, Jan 15 - Sun, Jan 18

5:42 pm - 1:06 pm

MFR

ONT

19h 24m2 stops

11:53 am - 12:43 pm

ONT

MFR

24h 50m1 stop

$245Alaska Airlines

Mon, Jan 19 - Fri, Jan 30

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Jan 19

MFR5:42 pmMedford

26h 54m

1 stop

ONT8:36 pmOntario

Jan 30

ONT11:53 amOntario

5h 09m

1 stop

MFR5:02 pmMedford

$166

Find similar

Alaska Airlines

Jan 19

MFR5:42 pmMedford

26h 54m

1 stop

ONT8:36 pmOntario

Jan 30

ONT4:03 pmOntario

20h 40m

1 stop

MFR12:43 pmMedford

$196

Find similar

Alaska Airlines

Feb 5

MFR1:22 pmMedford

10h 34m

1 stop

ONT11:56 pmOntario

Feb 9

ONT6:00 amOntario

11h 02m

1 stop

MFR5:02 pmMedford

$206

Find similar

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Jan 14

MFR6:05 amMedford

7h 51m

1 stop

ONT1:56 pmOntario

Jan 18

ONT7:30 amOntario

5h 58m

1 stop

MFR1:28 pmMedford

$167

Find similar

Delta

Jan 12

MFR6:05 amMedford

10h 07m

2 stops

ONT4:12 pmOntario

Jan 19

ONT5:10 pmOntario

6h 38m

1 stop

MFR11:48 pmMedford

$257

Find similar

Delta

May 9

MFR6:05 amMedford

10h 09m

2 stops

ONT4:14 pmOntario

May 24

ONT7:00 amOntario

5h 08m

1 stop

MFR12:08 pmMedford

$302

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 1/19

5:42 pm-8:36 pm

1 stop26h 54m

Ontario

Fri 1/30

11:53 am-5:02 pm

1 stop5h 09m

$166

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 1/14

6:05 am-1:56 pm

1 stop7h 51m

Ontario

Sun 1/18

7:30 am-1:28 pm

1 stop5h 58m

$167

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 1/19

5:42 pm-8:36 pm

1 stop26h 54m

Ontario

Fri 1/30

4:03 pm-12:43 pm

1 stop20h 40m

$196

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 2/5

1:22 pm-11:56 pm

1 stop10h 34m

Ontario

Mon 2/9

6:00 am-5:02 pm

1 stop11h 02m

$206

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 1/17

3:45 pm-8:10 pm

1 stop4h 25m

Ontario

Sat 1/24

11:53 am-5:02 pm

1 stop5h 09m

$214

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 1/19

5:42 pm-7:16 pm

2 stops25h 34m

Ontario

Fri 1/30

6:00 am-5:02 pm

1 stop11h 02m

$215

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 1/13

12:39 pm-5:03 pm

1 stop4h 24m

Ontario

Thu 1/15

7:00 am-11:57 am

1 stop4h 57m

$216

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 1/19

5:42 pm-8:36 pm

1 stop26h 54m

Ontario

Fri 1/30

4:03 pm-12:43 pm

1 stop20h 40m

$235

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 1/15

12:39 pm-5:03 pm

1 stop4h 24m

Ontario

Sun 1/18

7:00 am-11:57 am

1 stop4h 57m

$239

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 1/19

5:42 pm-1:06 pm

2 stops19h 24m

Ontario

Fri 1/30

11:53 am-12:43 pm

1 stop24h 50m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Medford and Ontario?

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 45m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 45m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 45m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 48% of all bookings. The subsequent popular airlines are Alaska Airlines at 36% and Delta at 15%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,517 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,106 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.